SB2026050754 - Improper Check for Unusual or Exceptional Conditions in Linux kernel hfsplus
Published: May 7, 2026
Security Bulletin ID
SB2026050754
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-43268)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of special inode types in hfsplus when opening special inodes. A local user can access a specially crafted hfsplus filesystem entry to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/67407d6abc9520a8a4661285b3ed294eb73ff6e7
- https://git.kernel.org/stable/c/676bc99d0b3e356cdfec5d8204518e1aac14ec84
- https://git.kernel.org/stable/c/799c492a619a10322543d13e6d2a6d27335c868c
- https://git.kernel.org/stable/c/9353d4ee26dc33f6ada1646e84660f4c59189763
- https://git.kernel.org/stable/c/d209ebaee93fc5089101d34d1b38a91d7abb03fd
- https://git.kernel.org/stable/c/dcac5582f90b55a267d89769073c5651990b2ec5
- https://git.kernel.org/stable/c/de9affb698d5034888314880736925c39d6d048e
- https://git.kernel.org/stable/c/ed8889ca21b6ab37bc1435c4009ce37a79acb9e6